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Tutorial
3D Visualization of the Optical System
VirtualLab Fusion provides tools which generate a 3D visualization of optical systems and can therefore be used to check the positioning of elements...
Use Case
7x7 Beam Splitter in 2f Setup with a VCSEL Source
Physical optics enables the access to any kind of light information in the desired image plane.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Aberration Effects of a Spherical Wave at the Focal Spot
Different types of wavefront aberrations are selected exemplarily, and the resulting focal spots are investigated for varying strength of the aberrations.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Aberration Effects on Focused Modes from a Fiber Source
In this use case we demonstrate how the shape of a set of modes generated by either a step- or graded-index fiber.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Absorption in a CIGS Solar Cell
A solar cell based on copper indium gallium selenide (CIGS) is simulated, and the absorption in the CIGS layer calculated.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Look & Feel
Add Point Cloud to Data Array
This demonstration illustrates how to merge 2D gridded data (color maps) with gridless data (point clouds) to enhance visualization and analysis.
Tutorial
Add Point Cloud to Data Arrays
This tutorial shows how to overlay a point cloud (e.g. a dot diagram) onto another result document (e.g. an electromagnetic field result).
Tutorial
Add Region to Data Arrays
Graphics Add-Ons are a tool inside VirtualLab Fusion that allows the overlay of information, such as regions, onto a Data Array.
Tutorial
Advanced Configuration of Slanted Gratings
Coated slanted gratings can be configured easily within VirtualLab. This tutorial explains the available options for the customization of slanted gratings.
Use Case
Advanced PSF & MTF Calculation for System with Rectangular Aperture
By placing a rotated rectangular aperture behind input fields with different sizes, the PSF and MTF in the focal plane are investigated.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Advanced PSF Calculation in a High-NA Lens System
When a linearly polarized Gaussian beam is focused by a high-NA aspheric lens, the PSF in focal plane shows asymmetry due to vectorial effects.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Advanced PSF and MTF Calculation of Imaging System
An imaging system consisting of a collimation objective and human eye is modeled, and by changing the illumination conditions, the cases with fully and partially illuminated apertures are investigated.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Advanced Simulation of Microlens Arrays
This tutorial explains the configuration and usage of the Microlens Array component in VirtualLab Fusion.
Use Case
Afocal Systems for Laser Guide Stars
Within VirtualLab Fusion, we demonstrate the analyze afocal systems for the generation of laser guide stars, and further optimize the system to control the size of the artificial stars.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Analysis and Design of Highly Efficient Polarization Independent Transmission Gratings
We demonstrate how to analyze the polarization-dependent property of binary gratings rigorously, also to optimize the binary structures...
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Tutorial
Analysis of Blazed Grating by Fourier Modal Method
The Fourier modal method (FMM) can be used to analyze grating efficiencies rigorously in VirtualLab Fusion.
Use Case
Analysis of CMOS Sensors with Microlens Array
Using the rigorous FMM/RCWA, we simulate a CMOS sensor with pixel size equal to or below 2µm, and the influence of diffraction effects at such a small...
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Tutorial
Analysis of Focal Plane Position as a Function of Numerical Aperture
We analyze how varying different parameters of the system can affect the position of the focal plane.
Use Case
Analysis of Folded Imaging System with Multiple Apertures
For a folded waveguide-based imaging system, the multiple apertures effect, including in- and outcoupling gratings and pupil aperture, is shown to affect the PSF and MTF on image plane.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Analysis of Folded Imaging System with Planar or Curved Waveguide
To evaluate the image quality of a near-to-eye display system, it is important to include the influence from the waveguide structure. In this example, both planar and curved waveguide are investigated.
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VirtualLab Fusion
AR VR MR Package
Required Packages
VirtualLab Fusion
AR VR MR Package
Use Case
Analysis of Off-Axis Imaging by a High-NA Microscope
It is demonstrated that the PSF is distorted due to the aberration caused by off-axis imaging.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Analysis of PSF of a Dipole Source by a High-NA Microscopy System
It is demonstrated that the PSFs have different shapes when the orientation of the dipole source changes.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Analysis of Slanted Gratings for Lightguide Coupling
Different slanted grating geometries are selected from literature, with varying slant angle, fill factor, and modulation depth, and the diffraction efficiencies are calculated with the Fourier modal method (FMM).
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Analysis of an Offner System with Non-Sequential Field Tracing
An Offner system that consists of two concentric spherical mirrors is built up and its imaging property is investigated by using the non-sequential field tracing in VirtualLab.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Analyzing High-NA Objective Lens Focusing
High-NA objective lenses are widely used in optical lithography, microscopy, etc. Consideration of the vectorial nature of light in the simulation of the focusing is of great importance.
Use Case
Angular-Filtering Volume Gratings for Suppressing Higher Diffraction Orders
We construct an angular-filtering volume grating and apply it in a system to suppress the undesired higher diffraction orders from a beam splitting DOE.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Tutorial
Animation Generation from Chromatic Fields Sets in Parame
This tutorial demonstrates how easy it is to convert a set of chromatic fields sets into an animation from a parameter run.
Tutorial
Application of the Programmable Mode of a Parameter Run
In VirtualLab, the variation of parameters in an optical system is freely customizable using the programmable mode of the Parameter Run feature. We use a specific example to illustrate the application of this programmable mode.
Assistant
Automatic Export of Simulation Results via Add-on
One option of the many detector add-on possibilities is the automatic export of the result data.
Tutorial
Automatic Selection of Fourier Transform Techniques in Free-Space Propagation Operator
VirtualLab Fusion provides a unified free-space propagation concept in the k-domain, together with automatic selection of proper Fourier transform techniques.
Tutorial
Automatized Detector Positioning by using Parameter Coupl
We demonstrate how the Parameter Coupling feature of VirtualLab Fusion can be applied in order to automatized positioning of a detector...
Assistant
Balance Speed versus Accuracy
Learn how to balance accuracy and modeling speed with the Speed vs. Accuracy configuration tool.
Use Case
Basic structure-based source model for an OLED
This document begins to showcase the structure-based OLED modeling capabilities of VirtualLab Fusion through a series of optical design use cases...
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Beam Splitter Cube
This use case demonstrates two examples for a real beam splitter component – one polarizing and one non-polarizing. (optical design setup)
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Bessel Beam Generation behind a Fiber with a Holographic Optical Element
We use a HOE that combines the lens and axicon function to generate Bessel beam from the output of a single-mode fiber.
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VirtualLab Fusion
Flat Lens Package
Grating Package
Required Packages
VirtualLab Fusion
Flat Lens Package
Grating Package
Use Case
Birefringence Effect of Anisotropic Calcite Crystal
Have a look at the simulation of birefringence in VirtualLab Fusion and investigates the dependence of the effect on input polarization and crystal thickness.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Catadioptric Imaging System Based on Pancake Lenses
This use case analyzes the performance a folded imaging system by investigating the polarization state changes throughout the system...
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Assistant
Channel Configuration
Tutorial
Channel Resolution Accuracy Setting of Non-Sequential Fie
Non-sequential field tracing is done with two steps in VirtualLab Fusion. Firstly, according to an adjustable accuracy factor, the light path through the system is detected. This light path finding can be controlled by the corresponding accuracy factor.
Tutorial
Channel Settings for Non-Sequential Tracing
With the flexible channel configuration in VirtualLab Fusion, one can easily control the response of any surface and/or region, to realize the desired model
Use Case
Chromatic Aberration Correction by an Idealized Diffractive Lens in a Hybrid Eyepiece Model
A hybrid eyepiece with an idealized diffractive lens surface for correcting chromatic aberration is imported from OpticStudio® and analyzed in detail.
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VirtualLab Fusion
Flat Lens Package
Grating Package
Required Packages
VirtualLab Fusion
Flat Lens Package
Grating Package
Use Case
Chromatic Effect Analysis in Fluorescent Microscopy
By taking a fluorescent microscope as example, we analyze the chromatic effect for the high-NA objective lens, at the emitting wavelength and illumination wavelength, respectively.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Circularly Serrated Aperture for Beam Apodization
Beam apodization plays a key role in the design of high-energy lasers and beam-delivery systems.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Coherence Measurement Using Michelson Interferometer and Fourier Transform Spectroscopy
It is demonstrated that the fringe contrast in a Michelson interferometer with a light source of certain bandwidth varies when the optical path difference changes.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Coherence Measurement with White-Light Interferometry – Analysis Using Distributed Computing in VirtualLab Fusion
To speed up your optical design process, the coherence measurement is performed using distributed computing in VirtualLab Fusion.
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VirtualLab Fusion
Distributed Computing
Required Packages
VirtualLab Fusion
Distributed Computing
Tutorial
Coherence Time & Length Calculator
The Coherence Time and Length Calculator easily determines the coherence time and length for a given source with a specified bandwidth...
Use Case
Collimation Testing with Shearing Interferometry
We show how to build up a shearing interferometer for the testing of laser beam collimation. By changing the collimation lens system, we observe the change in the interference fringes.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Collimation of Astigmatic Diode Laser Beam by Objective Lens
High-power laser diodes often exhibit asymmetric divergence and astigmatism. Collimation of such a laser diode is investigated with both ray tracing and field tracing.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Collimation of a Spherical Wave by an OAP Mirror
This use case presents a simulation of a spherical wave collimated by an off-axis parabolic (OAP) mirror with different off-axis angle configurations...
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Comparison of Different Lenses for Fiber Coupling
For the task of coupling light into a single-mode fiber, two commercially available lenses are selected, and their performance are evaluated by using the overlap integral.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Complementary Interference Pattern in a Mach-Zehnder Interferometer
A Mach-Zehnder interferometer with a coherent laser source is build up in VirtualLab Fusion and analyzed by using the non-sequential Field Tracing.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Complex Lightguide System with a 2D Eye Pupil Expansion and Human Eye Model
A complex lightguide system, including a 2D-periodic exit pupil expander in combination with slanted gratings in the outcoupler, is presented. PSF and MTF as well as lateral uniformity are evaluated.
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VirtualLab Fusion
AR VR MR Package
Grating Package
Required Packages
VirtualLab Fusion
AR VR MR Package
Grating Package
Assistant
Component - Solvers
The configuration of parameters of solvers and functions for different components can be done in a user-friendly way using the profile editor.
Use Case
Components, Solvers and Fourier Domains – Plane Surface
Both Fourier domains (space and spatial frequency) can be used as the domain of implementation for solvers in VirtualLab Fusion. We discuss the implications and analyze the plane surface as a special case.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Compound Refractive Lens for X-Ray Focusing
Compound refractive lenses, which consists of tens or hundreds of individual cylindrical lenses, are used to focus x-ray fields one- and two-dimensionally.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Assistant
Configuration of FMM
The FMM/RCWA solver is a Eigenmode solver in the spatial frequency domain (k domain) used among others in the Grating component.
Tutorial
Configuration of Grating Structures by Using Interfaces
In VirtualLab Fusion, grating structures are configured in a “stack”, which can be constructed with either a sequence of interfaces or special media, depending on the geometry of the grating.
Tutorial
Configuration of Grating Structures by Using Special Medi
In the VirtualLab’s Grating Software Package grating structures can be configured by using a stack.
Tutorial
Configuration of Grating Structures with Two-Dimensional
This tutorial is focused on the configuration of grating structures which exhibit two-dimensional periodicity.
Assistant
Configuration of off-axis parabolic mirror
Tutorial
Configuring Your Simulation in VirtualLab Fusion
This tutorial gives an overview of the different options and tools a user has access to when working with an Optical Setup file.
Use Case
Conical Refraction in Biaxial Crystals
The conical refraction from a KGd crystal is demonstrated with the fast-physical-optics simulation technology in VirtualLab Fusion.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Technical Whitepaper
Connecting Solvers by Master Channels
VirtualLab Fusion enables fast physical-optics system modeling by connecting different solvers instead of applying one universal solver to the entire system.
Tutorial
Construction and Modeling of a Graded-Index Lens
VirtualLab Fusion allows for the specification of a graded-index lens in a very user-friendly way. In addition, such index-modulated lenses can be analyzed by ray tracing as well as by field tracing.
Tutorial
Construction of a Light Guide
Light guides with coupling gratings can be set up in VirtualLab Fusion using the Light Guide component and its flexible region definition.
Tutorial
Construction of a Truncated Pyramid Surface
This tutorial shows how to construct a pyramid-like surface by using the programmable surface in VirtualLab Fusion.
Tutorial
Coupling of Parameters in VirtualLab Fusion
The Parameter Coupling feature of VirtualLab Fusion can be used to link the values of different parameters in an optical setup, which allows the user to establish complex relationships between these parameters.
Tutorial
Create Animations and Overview Images
Create Animations and Overview Images from Parameter Sweep in VirtualLab Fusion...
Tutorial
Creating 1D-Diagrams in VirtualLab Fusion
In this use case, VirtualLab Fusion’s visualization capability is illustrated. All users with various backgrounds may configure visualization setting on the GUI level.
Tutorial
Cross-Platform Optical Modeling and Design with VirtualLa
We demonstrate how to use MATLAB to access the field solvers in VirtualLab Fusion, and use them together with MATLAB functions for analysis and optimization.
Tutorial
Cross-Platform Parameter Sweep with Python
We demonstrate how to use Python to run a parameter sweep for a simulation in VirtualLab Fusion.
Tutorial
Customizable Help for Programmable Elements
VirtualLab provides multiple tools to implement your custom sources, components, detectors etc. For documentation of such customized object the snippet help can be used.
Use Case
Customize Optical Trees Suitable to your Workflows
VirtualLab Fusion provides a wide array of solutions for diverse applications, offering numerous sources, components, and detectors in the Optical Setup.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Customized Detector for Lightguide Coupling Grating Evalu
We present a customized detector which calculates the grating diffraction efficiencies over a user-defined incident-angle range, and also delivers the mean value and contrast of the efficiencies.
Tutorial
Customized Module: Grating Period Calculation According to the Guiding Condition of Lightguides
A module in VirtualLab Fusion is generated to calculate the range of the period of a coupling grating, so as to fulfill the guiding condition of lightguides.
Use Case
Czerny-Turner Setup
The Czerny-Turner setup – a famous historical example of a monochromator – is demonstrated in this use case, including an further application.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Assistant
Data Arrays
This assistant entry introduces the various data arrays and their associated views available in VirtualLab Fusion.
Use Case
Demonstrating the Working Principle of Flash LiDAR
A flash LiDAR system, consisting of array of sources, collimation lens system, and diffractive grating, is constructed and its working principle is shown in both the spatial and the spatial frequency domains.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Demonstration of Abbe's Theory of Image Formation
We build up an imaging system, use metal-grid gratings as the test objects, and demonstrate Abbe’s theory on image formation with VirtualLab Fusion.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Demonstration of the Functional Principle of a Dot Projec
This Use Cases shows the working principle of a dot projector, including a comparision between an idealized and real design of a diffractive beam splitter.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Demonstration of van Cittert-Zernike Theorem
In this document, we investigate the interference of Yong’s double-slit setup with an extended, partially coherent source, and demonstrated the van Cittert-Zernike theorem.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Design & Analysis of Diffractive Splitter Generating a Light Mark
This use case demonstrates VirtualLab Fusions's capabilities to design and analyze a system with a diffractive beam splitter used to generate a light mark.
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VirtualLab Fusion
Diffractive Optics Package
Required Packages
VirtualLab Fusion
Diffractive Optics Package
Use Case
Design & Analysis of System with Diffractive Light Diffuser Generating the LightTrans Logo
This use case demonstrates that VirtualLab Fusion can efficiently be used for the design, optimization, modeling and simulation of a diffractive....
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Design and Analysis of Intraocular Diffractive Lens
We show the import of an intraocular diffractive lens design (Zemax OpticStudio®) into VirtualLab Fusion and optimize the structure for better performance.
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VirtualLab Fusion
Flat Lens Package
Grating Package
Required Packages
VirtualLab Fusion
Flat Lens Package
Grating Package
Use Case
Design and Analysis of a 3x3 Beam Splitter
A phase-only transmission function is designed using the iterative Fourier transform algorithm. As an additional step, a phase-only transmission is designed without any phase dislocations.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Design and Analysis of a Metalens
In this use case, a focusing metalens based on dielectric, cylindrical pillars is designed and analyzed in detail. The parameters used..
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Design and Rigorous Analysis of Non-Paraxial Diffractive
The Fourier Modal Method (FMM) is applied for the rigorous evaluation of a non-paraxial diffractive beam splitter.
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VirtualLab Fusion
Diffractive Optics Package
Grating Package
Required Packages
VirtualLab Fusion
Diffractive Optics Package
Grating Package
Use Case
Design of 2D Non-Paraxial Beam-Splitting Metagrating
We design a 2D metagrating for beam splitting. The metagrating is constructed, analyzed, and further optimized in VirtualLab Fusion, especially in terms of the uniformity of the diffraction efficiencies.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Design of a CGH for Null-Testing
We considered a simplified system consisting of a point source, a CGH in the form of an ideal diffractive lens and an asphere...
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VirtualLab Fusion
Optimization Package
Required Packages
VirtualLab Fusion
Optimization Package
Use Case
Design of a Refractive Beam Shaper to Generate a Circular Top-Hat
With the user-friendly design tools in VirtualLab, a refractive beam shaper for shaping a fundamental Gaussian beam into top-hat profile is designed and analyzed.
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VirtualLab Fusion
Diffractive Optics Package
Required Packages
VirtualLab Fusion
Diffractive Optics Package
Assistant
Detector Add-Ons
The detector add-ons technology enables the user to conduct various post-processing evaluations simultaneously based on the electromagnetic field data.
Assistant
Detector Field Quantities
Assistant
Detector Gridless Data
In VirtualLab Fusion, the propagation of a field through space or another homogeneous medium is evaluated in the k-domain.
Assistant
Detector Window
Tutorial
Diffraction Angle Calculator
The Diffraction Angle Calculator of VirtualLab Fusion is a convenient tool for calculations involving the grating equation...
Use Case
Diffraction Efficiency Analysis for a Czerny-Turner Setup
A physical-optics-based simulation of Czerny-Turner setup, which consists of parabolic mirrors and blazed grating, is presented.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Diffraction Pattern Calculation from a Reflection-Type Diffractive Beam Splitter
This use case demonstrates how the diffracted pattern changes when the reflection-type beam splitter (designed for normal incidence) rotates.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Diffraction Patterns behind Different Apertures
With the advanced propagation technology in VirtualLab Fusion, we calculate the diffraction patterns for apertures with different shapes and study the property of diffraction.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Diffraction Property of a Passive Parity-Time Grating
We construct a passive parity-time grating and analyze its diffraction property with respect to selected grating parameters and the polarization of light.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Diffraction from the Aperture in a Microscopy System
It is demonstrated that the energy densities at the tube lens and at the image plane are influenced by the diffraction of the aperture in the microscopy system.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Diffractive Lens Component
This Use Case introduces the Diffractive Lens Component and gives an overview about its options, settings, and computation method.
Tutorial
Diffractive Optical Element & Microstructure Component
This Use Case introduces the Microstructure and Diffractive Optical Element (DOE) components and gives an overview over their options and settings.
Assistant
Digital Twin Catalog
Tutorial
Distortion Analyzer
This tutorial introduces the Distortion Analyzer in the optical design software VirtualLab Fusion, illustrated with the example of a spherical lens.
Use Case
Double-Helix PSF for 3D Imaging Microscopy
It is demonstrated that the double helix PSF rotates when there is only a small defocus of the object point.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Educational Tutorial: Fabry-Pérot Interferometer
This tutorial offers a beginner-friendly, step-by-step introduction to VirtualLab Fusion, requiring no prior knowledge of the software.
Tutorial
Educational Tutorial: Quarter-Wave Plate Mirror
These tutorials offer a practical, step-by-step approach that works even with the trial license. This time we’ll design a quarter-wave plate (QWP) mirror.
Use Case
Effects of Mirror Coating on Pulse Characteristics
We demonstrate the effect of different mirror coatings on the characteristics of ultrashort pulses like peak value and pulse duration.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Electromagnetic Field Detector
With the Electromagnetic Field Detector the user can access the fully vectorial electromagnetic field at any given plane in the system. We explain here how to handle this detector.
Tutorial
Ellipsometry Analysis via Parameter Variation Analyzer
This tutorial demonstrates the use of the Parameter Variation Analyzer to calculate important properties from ellipsometric analyses.
Tutorial
Ellipsometry Analyzer
This use case demonstrates the basic principles of ellipsometry and illustrates the use of the built-in ellipsometry analyzer in VirtualLab Fusion.
Tutorial
Evaluation of Müller Matrix and Jones Matrix
This tutorial demonstrates a workflow to calculate Jones and Müller-Matrices for any kind of optical system by using a module.
Tutorial
Export Harmonic Fields Sets into ASCII Files
This document shows a programmable module that can export any kind of Harmonic Fields Set into ASCII files.
Tutorial
Export Systems and Components into STL & IGES Format
VirtualLab Fusion supports the export of optical components specified in the system into various CAD formats. This includes for example the export of lenses, prisms, mirror systems and other components into STL and in IGES format.
Tutorial
Export of Fabrication Data
VirtualLab Fusion can export smooth and quantized interfaces, as well as mirror/prism/grating cells arrays into various file formats, e.g., STL and GDSII file format.
Tutorial
Export of Fabrication Data for Smooth Surfaces
VirtualLab Fusion can export smooth surfaces into various file formats, e.g., STL and other customized formats.
Tutorial
Export of Fabrication Data of a Holographic Optical Eleme
VirtualLab Fusion can export quantized HOE structure into various file formats. It is possible to export the files by a pixelized or polygon approach.
Tutorial
Export of GCA Data via Bitmap
Useful Items...Target Pattenradial distortion < 3°relative illumination 70%MTF @ 125 lp/mm >60%{9D7B26C5-4107-4FEC-AEDC-1716B250A1EF}radial distortion< 3°relative illumination> 70%MTF @ 125 lp/mm> 60%power efficiencyTBD
Use Case
Export of Results of a Parameter Run
In this document, the export of data from a Parameter Run document is shown. A C# module is used to save the energy density distribution and ...
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Assistant
Extend Zoom Window
By default, VirtualLab Fusion shows results in an area defined by the customer or automatically chosen by VLF.
Technical Whitepaper
FMM / RCWA [S-Matrix]
The FMM/RCWA solver consists of an eigenmode solver for each periodically modulated layer and an S-matrix, in the spatial frequency domain (k domain).
Use Case
FTIR in a Cube Beam Splitter
A real beam splitter based on Frustrated Total Internal Reflection (FTIR) is investigated.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Femtosecond Pulse Propagation through Dispersive Seawater
The propagation of a 5-fs pulse through seawater is studied in VirtualLab Fusion. The broadening of the pulse and the change in its temporal profile due to dispersion of the material are shown.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Few-Mode Fiber Coupling under Atmospheric Turbulence
In this use case, we reproduce the experiments of Zheng et al. [Opt. Express 24 (2016)] to explore the atmospheric turbulence effects on the coupling efficiency between the free-space optical beam and few-mode fibers.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Field Curvature Analyzer
The field curvature describes the difference between the designed focal plane and the actual focal curve of an objective (lens).
Tutorial
Field Inside Component Analyzer: FMM
This example demonstrate, how to calculate the distribution of the electromagnetic field inside a 1D or 2D-periodic micro- or nano structure.
Technical Whitepaper
Field Tracing Accuracy Settings
The numerical accuracy of physical optics simulations is controlled by the numerical parameters of each solver, the sampling accuracy of the fields...
Use Case
Fizeau Interferometer for Optical Testing
A Fizeau interferometer is set up with the help of non-sequential field tracing technology, and the interference fringes from several different test surfaces are shown.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Technical Whitepaper
Flat Lenses
This paper explores the fundamental principles involved in designing flat lenses, including Fresnel lenses, diffractive lenses, and metalenses.
Tutorial
Flexible Region Definition
This tutorial walks you through the flexible configuration of regions in VirtualLab Fusion, which allow the user to define variously shapes...
Use Case
Focus Investigation behind Aspherical Lens
A laser diode with asymmetric divergence and astigmatism is first collimated and then focused. Evolution of the field in the focal region is investigated in detail.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Focusing Electromagnetic Fields with Cascaded Circular Apertures
We demonstrate in VirtualLab Fusion the focusing of electromagnetic fields with properly designed apertures.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Focusing of Cylindrical Vector Beams by a High-NA Objective Lens
It is demonstrated that the focusing of cylindrical vector beams. The vectorial effects of radially and azimuthally beams are demonstrated.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Focusing of Femtosecond Pulse by Using a High-NA Off-Axis Parabolic Mirror
The focusing process of a 10-fs pulse by using a high-NA parabolic mirror is modeled and both the spatial and temporal behaviors are investigated...
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Focusing of Gaussian-Laguerre Beam for STED Microscopy
It is demonstrated that the focusing of high order Gaussian-Laguerre beam generates donut-shaped PSF. The size of donut-shaped PSF can be adjusted by different high orders.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Focusing of an Ince-Gaussian Beam
This use case shows the focusing of an Ince-Gaussian mode through a GRIN medium representing a thermal lens.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Focussing through a Luneburg Lens with a Tilted Plane Wave
In this Use Case we demonstrate a propagation of a Plane Wave through a Luneburg lens.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Footprint Analysis of Lightguides for AR/MR Applications
The Footprint and Grating Analysis tool allows the optical designer to determine how the light will interact with the various grating regions of the lightguide.
Tutorial
Fourier Transform Settings – Discussion at Examples
As one of the most fundamental technologies in VirtualLab Fusion, Fourier transforms connect the space and spatial frequency domains. We discuss the Fourier transforms settings at different examples and show the consequences.
Tutorial
Fourier Transforms in Immersion Objective System
In this demo, we illustrate the Fourier Transforms in an immersion objective system by using stratified media component.
Technical Whitepaper
Fourier Transforms in VirtualLab Fusion
VirtualLab Fusion provides fast physical-optics modeling by connecting different field solvers.
Assistant
Free Space Propagation
Tutorial
Free Space Propagation Settings
This tutorial presents the different options users have in VirtualLab Fusion to configure the selection of Fourier transform algorithms.
Tutorial
Fresnel Curves on a Plane Surface
The Fresnel Effect Calculator to calculate the Fresnel coefficients directly.
Technical Whitepaper
Fresnel Matrix
The Fresnel matrix solver consists of an eigenmode solver for the homogeneous media on both sides of the interface and matching of the boundary conditions.
Use Case
Functional Coatings
This Use Case introduces the functional coatings for optical design, which allow for the generation of idealized coatings...
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Gaussian Beam Focused by a Thermal Lens
This use case shows the variation of the focal length of the thermal lens, as well as the focus beam diameter when the input power changes [W. Koechner, Appl. Opt. 9, 2548–2553 (1970)]. This example is published in [H. Zhong, J. Opt. Soc. Am. A 35].
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
General Manipulation Tools for Data Arrays
This Tutorial introduces and demonstrates the general tools to manipulate Data Arrays to e.g., perform arithmetic manipulations or change parameters...
Assistant
General Modeling Profile
In modeling the user can easily switch between the Ray Result Profile and the General Profile.
Use Case
Generation of Optical Beams Carrying Orbital Angular Momentum (OAM)
We demonstrate the generation of optical beams carrying OAM by using spiral phase plates with different parameters.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Technical Whitepaper
Generation of Rays for Ray Tracing
In ray tracing for lens systems the rays are originated in the object points and the specific selection is often done with respect to the stop...
Use Case
Generation of Spatially Varying Polarization by Interference with Polarized Light
With a Mach-Zehnder interferometer setup with two rotatable polarizers, we demonstrate the generation of spatially varying polarization.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Generation of Vector Beam by a Sagnac-Like Interferometer
Following the idea of T. Wang et al., Appl. Phys. B 122:231 (2016), this use case demonstrates a Sagnac-interferometer scheme to generate vector beam.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Assistant
Geometrical Optics Beam Shaping
Useful approach for solving certain beam shaping problems.
Tutorial
Graphic Add-Ons
Graphics Add-Ons are a tool inside VirtualLab Fusion that allows you to overlay information, such as point clouds.
Assistant
Graphics Add-ons
Graphics add-ons gives result windows more graphical information. We show the different view options for point clouds, regions and polarization ellipses.
Tutorial
Grating Analysis and Smoothly Modulated Grating Parameters on Lightguides
In this tutorial, smoothly varied grating parameters are introduced to lightguides for AR/MR applications, by using Grating Analysis Tool.
Use Case
Grating Component for General Optical Systems
This use case introduces the Grating Component in general optical setups, which allows for the inclusion of a wide range of different gratings.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Tutorial
Grating Optimization in VirtualLab Fusion Using optiSLang
A workflow is presented for how to optimize a grating structure regarding a specified merit function using VirtualLab Fusion and the optimization software optiSLang.
Tutorial
Grating Order Analyzer
In VirtualLab Fusion, the Grating Order Analyzer can be used for convenient grating diffraction analysis, with results presented in various ways.
Assistant
Grating Orders in Lightguides
In VirtualLab Fusion it is possible to manually configure which grating orders will be traced further in a simulation.
Use Case
Grating Stretcher for Ultrashort Pulses
We set up a pulse stretcher consisting of two diffractive gratings and investigate the pulse broadening effect induced by the interaction of the pulse with the gratings.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Grazing-Incidence Focusing Mirrors for X-Ray Beams
Kirkpatrick-Baez (KB) mirrors focus the grazing-incident X-ray field into a nanometer-scale spot. In this use case the modeling and evaluation of such KB mirror system is demonstrated.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Gridded Segmentation of Grating Regions in Lightguide
This tutorial demonstrates how to configure gridded segmentation within grating regions using optical design software VirtualLab Fusion...
Tutorial
Hands-on, step-by-step AR/MR Lightguide Design
This tutorial provides an introduction to lightguide design for augmented or mixed reality (AR/MR).
Use Case
Hartmann Wavefront Sensor for X-Ray Optics
In this use case we model the propagation of an X-ray field through a Hartmann wavefront sensor composed by an array of pinholes.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Technical Whitepaper
High Flexibility by Sub-Channels (x-Domain)
We have started to enable the optional decomposition of a master region into subregions in x-domain which form the entrance to subchannels.
Use Case
High-NA Beam Splitter Optimization with User-Defined Merit Functions
We demonstrates the usage of user-defined merit functions for the evaluation and optimization of order efficiencies of a diffractive high-NA beam splitter.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
High-NA Focusing by Off-Axis Parabolic Mirror
In high-NA focusing situations, e.g. with parabolic mirror, it is demonstrated that input fields with different polarizations leads to different focal spots.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
High-NA Pattern Generation by Combining Two Beam Splitter Elements
A two diffractive beam splitter system for high-NA pattern generation is designed with IFTA, and the system performance is investigated, especially with the non-paraxial splitter analyzed by using FMM.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Higher Modes in Laser Resonators
This demonstration shows the capabilities of VirtualLab Fusion to calculate higher resonator modes together with their corresponding Eigenvalues.
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VirtualLab Fusion
Laser Resonator Package
Required Packages
VirtualLab Fusion
Laser Resonator Package
Tutorial
Holographically Generated Volume Grating
A holographic volume grating is analyzed by using the Fourier modal method. Both the spectral and angular properties are presented.
Tutorial
How to Configure Ultrashort Pulse Simulations
A workflow for specifying, modeling, and analyzing ultrashort pulses within VirtualLab Fusion.
Tutorial
How to Customize the Position of Source Modes Via Program
Using laterally shifted modes is one possible strategy to mimic partial spatial coherence. In this tutorial we show you how to manipulate the positions of the source modes via programming.
Tutorial
How to Format VirtualLab Fusion Results
This tutorial demonstrate how to customize and format a detector result according to personal favor or specific requirements of a report or publication.
Tutorial
How to Set Up a Lightguide with Real Grating Structures
You learn how to import a previously designed real grating structure into the lightguide component and explains the role and handling of lookup tables.
Tutorial
How to Set Up a Panel-Type Source
With the panel-type source in VirtualLab it is possible to model a pixelated display, with the pixel pitch and the number of pixels as free parameters for the user to fix.
Tutorial
How to Set Up a Scanning Source
The scanning source in VirtualLab Fusion defines a multi-mode source that radiates into several pre-defined directions, which is of help for e.g. the modeling and evaluation of a laser scanning system.
Tutorial
How to Work with the C# Module and Example (Computing the Deviation Between Two Fields)
In this tutorial we explain the basics of working with the C# Module: one of the most flexible, most advanced programmable items in VirtualLab Fusion!
Tutorial
How to Work with the Programmable Component and Example (Ideal Grating)
The Programmable Component is one of the most versatile programmable elements in VirtualLab. Follow this tutorial for instructions on a first contact with this feature!
Tutorial
How to Work with the Programmable Function & Example (Cylindrical Lens)
In this document we explain how to work with the Programmable Function, using the example of a cylindrical lens.
Tutorial
How to Work with the Programmable Interface & Example (Spherical Surface)
In this document we explain how to work with the Programmable Interface, using the example of a simple spherical surface.
Tutorial
How to Work with the Programmable Light Source in VirtualLab Fusion and Example (Gaussian Beam)
In this document we show you how to work with the Programmable Source: a means to define the spatial dependence of a custom basic source mode. We use the Gaussian as an example.
Tutorial
How to Work with the Programmable Material and Example (Linear Dependence)
In this detailed tutorial we explain how to create your own custom materials (refractive index with respect to wavelength) in VirtualLab Fusion.
Tutorial
How to Work with the Programmable Medium and Example (Thermal Lens)
In this detailed tutorial we explain how to create your own custom media (dependence of refractive index on position) in VirtualLab Fusion.
Tutorial
How to Work with the Programmable Spectrum and Example (Black-Body Radiation)
Discover how to create your own custom spectra via programming in VirtualLab Fusion with this in-depth tutorial on the topic, rounded up with a basic hands-on example.
Technical Whitepaper
Idealized Grating Functions
The idealized grating function works without any information about the actual shape of the grating structure.
Technical Whitepaper
Idealized Lens Functions
The idealized lens functions works without the knowledge about actual lens surfaces and material.
Use Case
Imaging of Grating Patterns Positioned on Each Side of a Wafer
Its flexible detection concept then enables light recombination at the detector, allowing for automatic calculation of radiometric quantities...
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Imaging of Sub-Wavelength Gratings by Using Vector Beam I
A high-NA microscope for imaging of sub-wavelength grating is build up, and the influences from illumination with linear, radial, and azimuthal polarizations is investigated.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Tutorial
Import Beam Files from Zemax OpticStudio
VirtualLab Fusion can import the beam files from Zemax OpticStudio®, convert it into electromagnetic field information automatically, and support further propagation of the imported field.
Use Case
Import Images into VirtualLab Fusion
This Use Cases demonstrates the import tool for any kind of picture into VirtualLab Fusion.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Import Optical Systems from Zemax OpticStudio
VirtualLab Fusion allows the import of optical systems with the full 3D position information and glasses from Zemax OpticStudio®, and provides field tracing for further investigation of the imported system.
Use Case
Import Text Files into VirtualLab Fusion
This Use Case demonstrates the tool to import 2D, 1D or gridless data arrays from TXT-files into VirtualLab Fusion.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Import and Export of Chromatic Fields Sets
Chromatic fields set are standard documents to show a light distribution in VirtualLab Fusion. This use case demonstrates the options for import and export chromatic fields sets.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Import of Bitmap file containing Height Data of a Microst
The import of a bitmap file, which contains height data of a microstructure is demonstrated. This example provides a step-by-step explanation.
Tutorial
Import of GRIN Medium from Zemax OpticStudio®
In this demonstration we show how to import GRIN-Media which are defined after “Gradient 5”-Shema in Zemax OpticStudio®.
Tutorial
Import of Material Data into VirtualLab Fusion
In this tutorial, we illustrate the workflow of how to import complex material data into VirtualLab Fusion’s materials catalog.
Tutorial
Import of Precalculated Diffraction Efficiencies
This Demo shows how to use precalculated efficiency to define a grating in VirtualLab Fusion.
Tutorial
Importing Measured Sun Spectrum into VirtualLab Fusion
This tutoria illustrates how to import the measured extraterrestrial sunlight spectrum, and how to subsequently employ said spectrum in optical systems.
Use Case
Ince Gaussian Modes
Ince-Gaussian Modes constitute an additional solution for the paraxial wave equation. This use case shows how to set up this kind of modes.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Including Lens Systems in the Optical Setup
In this document we present possible optical design workflows to transfer lens parameter data into VirtualLab Fusion.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Assistant
Indication of Regions
Use Case
Influence of the position of the stop in a lens system
It is demonstrated that the positions of the stop in a lens system have influence on the PSF, especially in the case of inclined illumination.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Technical Whitepaper
Integrating Metalens Modeling into Multiscale Systems
Metalenses are a distinct class of flat lenses, alongside diffractive and Fresnel lenses. We present the concepts and showcase the capabilities.
Use Case
Interference Effects for Symmetrical SSTF-Setups
This Use Case demonstrates the characteristics of an ideal SSTF Setup including the effects of chirp - in VLF optical design software.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Interferometer with Laterally-Varying Beam Splitter Cube
We simulate a Mach–Zehnder interferometer using a beam splitter with independently adjustable inner and outer regions...
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Assistant
Interpolation and Smoothing
Learn how to use the tools for smoothing and interpolating data in result windows.
Tutorial
Introduction to Data Arrays
Data Arrays are fundamental and flexible native data type in VirtualLab Fusion. This tutorial is an introduction on how to operate with them.
Assistant
Introduction to the Assistant
Get additional insight into software features with focus on theoretical background, usage, some look and feels, use cases and further readings.
Tutorial
Introduction to the Optical Setup
This tutorial introduces the Optical Setup, which can be seen as a virtual analogy to the real-life laboratory in VirtualLab Fusion.
Tutorial
Introduction to the Parametric Optimization Document
Three local and one global optimization algorithm are provided. This Tutorial introduces the associated Parametric Optimization document.
Use Case
Introduction to the VirtualLab Fusion Optimization Package
The Optimization Package is a dedicated optimization tool designed to complement VirtualLab Fusion as a powerful optical system optimization software...
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VirtualLab Fusion
Optimization Package
Required Packages
VirtualLab Fusion
Optimization Package
Use Case
Investigation of Diffraction in Interferometer Caused by
A Michelson interferometer is used to analyze a podium sample with different wavelengths.
Learn more
VirtualLab Fusion
Distributed Computing
Required Packages
VirtualLab Fusion
Distributed Computing
Use Case
Investigation of Diffraction in Interferometer Caused by Sharp Relief
We investigate diffraction caused by a sample with a rectangular height structure in a Michelson-Interferometer...
Learn more
VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Investigation of Focus Shift due to Thermal Lensing
In this use case we demonstrate the change in the effective focal length caused by thermal lensing on a lens. The deformation of the geometry and the steady-state temperature distribution are calculated using Ansys Mechanical and are then imported into VirtualLab.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Investigation of Ghost Image Effects in Collimation System
The ghost image effect in a collimation lens system is investigated, by checking the reflections between uncoated surfaces.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Investigation of Idealized Vectorial Focusing Situation Using Debye-Wolf Integral
We use the Debye-Wolf integral calculator in VirtualLab Fusion for vectorial focal field investigation with different parameters.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Investigation of Lens Aberrations in a SLM-based Beam Shaping Setup
For a diffractive beam shaper used together with focusing lens, the influence from lens aberrations on the system performance is investigated.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Investigation of Polarization State of Diffraction Orders
VirtualLab Fusion enables the detailed analysis of grating structures, with possible changes in the polarization state of the diffracted orders taken into consideration.
Use Case
Investigation of Propagated Light behind a Microlens Array
This use case investigates light behind a microlens array. Effects in the near field, focal plane and far field are shown and discussed.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Investigation of Sodium D Lines with a Fabry-Pérot Etalon
An optical metrology system with a silica spaced etalon is set up to measure the sodium D lines in the optical design software VirtualLab Fusion.
Learn more
VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Iterative Fourier Transform Algorithm (IFTA) Design via Module
This Use Cases shows how to perform an IFTA design via a programmable module.
Tutorial
LP Fiber Mode Calculator
The Fiber Mode Calculator can be used to calculate linearly polarized (LP) propagation modes in a step-index fiber with a single core or graded-index fiber.
Use Case
Laser Beam “Clean-Up” with Spatial Filter
A spatial filtering system with a pinhole is modeled in VirtualLab Fusion. We demonstrate how the opening of the pinhole influences the output beam quality.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Laser-Based Michelson Interferometer and Interference Fringe Exploration
A Michelson interferometer is set up with the help of non-sequential tracing technology in VirtualLab Fusion, and the interference fringes in different configurations are demonstrated.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Assistant
Lateral Extent Measurement
Use Case
Laterally-Varying Retarder
A function-based laterally varying retarder (LVR) is introduced into the optical path, producing a field with polarization that changes across the beam...
Learn more
VirtualLab Fusion
Required Packages
VirtualLab Fusion
Technical Whitepaper
Layer Matrix [S-Matrix]
The layer matrix solver consists of an eigenmode solver for each homogeneous layer and an S-matrix for matching the boundary conditions at all the interfaces.
Use Case
Lens with Modulated Refractive Index
In this Demo we modeled the light propagation through lenses with a modulated refractive index.
Assistant
License Information Dialog
Tutorial
Light Guide Layout Design Tool
The Layout Design tool allows to design a custom “Hololens 1”-like augmented or mixed reality system according to the desired specifications.
Tutorial
Light Path Diagram Information Export
This tutorial shows how to export a summary of all system parameters in the light path diagram into an XML File and how to visualize the parameters.
Assistant
Light Path Finder
We demonstrate how to configure the light path finder and adapt the channel configuration.
Use Case
Light Propagation through Waveguide with In- & Outcoupling Surface Gratings
As one important issue for near-eye display (NED) design, the propagation of light through waveguide structure with tailored in- and outcoupling gratings can be easily modeled with the help of region and channel concept in VirtualLab Fusion.
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VirtualLab Fusion
AR VR MR Package
Required Packages
VirtualLab Fusion
AR VR MR Package
Use Case
Lightguide with 2D-Periodic Grating Structures (Diamond-Shaped) Based on Patent by Wave Optics
In this use case we model a lightguide system that uses 2D-periodic grating structures (diamond-shaped), according to the approach from Patent WO2018/178626 (by Wave Optics LTD).
Learn more
VirtualLab Fusion
AR VR MR Package
Grating Package
Required Packages
VirtualLab Fusion
AR VR MR Package
Grating Package
Use Case
Lightguide with 2D-periodic Grating Structures
In this demo a lightguide system is modeled, that uses 2D-periodic grating structures, which is based on the approach from Patent WO2018/178626.
Use Case
Lightguide with Butterfly Eye-Pupil Expander based on Patent by Microsoft
This use case shows a lightguide system with a so-called “butterfly pupil expansion”, based on patent US9791703B1 by Microsoft.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Assistant
Limitations of the FMM
Use Case
Littrow Configuration for Blazed Gratings
Littrow configuration is the chosen denomination for a very commonly used way of orientating a blazed grating in monochromators, spectrometers ...
Learn more
VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Technical Whitepaper
Local Linear Grating Approximation (LLGA)
The LLGA solver assumes local plane wave and local linear grating interactions (x domain), using either the FMM/RCWA or TEA for the grating analysis.
Technical Whitepaper
Local Plane Interface Approximation (LPIA)
Local Plane Interface Approximation (LPIA) solver work in the spatial domain (x domain) with an approximate local boundary condition.
Tutorial
Logging in VirtualLab Fusion
The ability to log results provides indispensable information as a simulation progresses, tracking not only the time duration of all simulation steps...
Use Case
MTF Analysis in Complex Waveguide Devices
In the field of AR/MR, the accurate calculation of the achievable optical performance is one of the major tasks in optical design.
Learn more
VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Mach-Zehnder Interferometer
We build up a Mach-Zehnder interferometer in VirtualLab Fusion and demonstrate how the tilt and shift of component affect the interference fringe.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Mach-Zehnder Interferometer with Small Obstruction
From an optical design and simulation perspective, propagating large fields with diffraction effects caused by tiny defects is highly challenging.
Learn more
VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Measuring Uniformities within the Eyebox
In this demo we will explain the optical setup for uniformity detector with different eye positions.
Tutorial
Metagrating Construction – Discussion at Examples
Based on selected examples, we show how to construct and configure metagrating structure and materials in VirtualLab Fusion.
Use Case
Microscopy System with Structured Illumination
It is demonstrated that the contrast of the structured illumination pattern is influenced by the polarization of the incident beam.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Mie Solution to Maxwell’s Equations for Scattering of an Electromagnetic Plane Wave
With the Mie solution for an electromagnetic plane wave in VirtualLab Fusion, we investigate the scattering effect of spherical particles with different radii and made of different materials.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Assistant
Missing Light in Your System 3D Result
This document lists several possible reasons for this by explaining different aspects of the configuration of an optical setup.
Assistant
Modeling Profile Editor
Learn more about the profile editor, which gives a systematic and user-friendly overview and access to all parameters of your optical system.
Use Case
Modeling and Analysis of Volume Holographic Gratings
This use case demonstrates how volume gratings can be modeled and analyzed in the optical design software VirtualLab Fusion.
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VirtualLab Fusion
Diffractive Optics Package
Grating Package
Required Packages
VirtualLab Fusion
Diffractive Optics Package
Grating Package
Use Case
Modeling and Analysis of Wedged Reversal Shearing Interferometry
We demonstrate how such an interferometer can be realized in VirtualLab Fusion...
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Modeling and Design of Blazed Metagratings
We design and construct a blazed metagrating in VirtualLab Fusion using square nano pillars, analyze its polarization-dependent diffraction efficiency, and further optimize it.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Modeling of An Image Projection System Based on Panel-Type Display
An image projection system is set up using the panel-type source. The performance of the system is evaluated by observing the spot grid in both the spatial and angular domains.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Modeling of Bessel Beam Generation from Axicon with Round Tip
We model the generation of Bessel beams with axicon with round tip and investigate how the round tip may influence the Bessel beam evolution.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Modeling of Etalon with Planar or Curved Surfaces
With the non-sequential field tracing technique, the regarding interference patterns are modeled including vectorial effects.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Modeling of Foucault Knife-Edge Test
The Foucault knife-edge test is a well-known historical experiment to determine the characteristics of a given concave-shaped mirror. In this use case we model this test for a spherical and a parabolic mirror.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Modeling of Graded-Index (GRIN) Lens
In VirtualLab Fusion, we perform a fully physical-optics modeling of a Graded-index lens system, which includes the polarization crosstalk effects.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Modeling of Graded-Index (GRIN) Multimode Fiber
A fast approach for light propagation through a GRIN medium, which includes the polarization crosstalk effect, is implemented, and its validity and advantages are shown in comparison with a rigorous solver.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Modeling of Gratings within Optical System – Discussion a
With the help of typical examples, we explain how to model grating within system and discuss topics like alignment of gratings, grating order selection, and angular response setting.
Use Case
Modeling of Microlens Arrays with Different Lens Shapes
The imaging properties of microlens array with different lens shapes are investigated. Change of the focal spots with respect to aberration of input field is demonstrated.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Modeling of Multi-Pass White Cell
This Use Case demonstrates this capability in the context of CO₂ absorption measurement.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Modeling of Optical System with Graded-Index Sphere
In this demo we show that the field distribution is similar as the prediction of ray tracing result (when the sphere enlarged, calculation time of RK
Use Case
Modeling of Total Internal Reflection (TIR) Prism
We illustrate the modeling of interference and vignetting effects at a total internal reflection (TIR) prism. Dependent on the characteristics of the impinging light, these effects are introduced by the narrow gap between both prism parts.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Modeling of a Herriott-Cell
This use case shows a physical optics simulation of a Herriott Cell for gas spectroscopy, including a demonstration with CO2.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Modeling of a HoloLens 1 - Type Layout with Light Guide Component
This use case demonstrates the modeling of a device of a simple “HoloLens 1”-type layout with a Light Guide component capable of guiding light with a 32° × 18° FoV.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Modeling of a Metalens Singlet Based on Half-Wave Plate Model
Such metalenses are sensitive to the polarization of the input field and in this example we demonstrate the polarization behavior.
Use Case
Modeling of a Space Plate by using a Multilayered Metasur
Metasurfaces allow to imitate a propagation in free space much longer than the actual thickness of the plate...
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Modeling of an Array of Vertical Cavity Surface Emitting Laser (VCSEL) Diodes
This document demonstrates how a VCSEL array source can be modeled in VirtualLab Fusion.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Modeling of the Talbot Effect
We demonstrate the modeling of the Talbot effect, a well-known near-field diffraction effect from periodic structures such as gratings.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Modeling the Effects introduced by the Real Structure of a Diffractive Lens in a Hybrid Eyepiece
A hybrid eyepiece with a real diffractive lens surface is imported from Zemax OpticStudio® and analyzed further in VirtualLab Fusion.
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VirtualLab Fusion
Flat Lens Package
Grating Package
Required Packages
VirtualLab Fusion
Flat Lens Package
Grating Package
Use Case
Moiré Fringes Generation
In this Demo we seek to model the Moiré pattern in an optical setup.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Non-Sequential Ray Tracing Analysis of Glass Plate
By using the non-sequential tracing technique in VirtualLab, the ray tracing analysis of a glass plate is performed.
Assistant
Notes on Constraints
We show you how to optimize given constraints with the parametric optimization document.
Use Case
Observation of Gouy Phase Shift in a Mach-Zehnder Interferometer
Gouy phase shift, which is a p phase term, can be observed by a Mach-Zehnder interferometer. The interference along optical axis is constructive before focus, while destructive behind focus.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Observation of Vortex Array Laser Beam Generation from Ince-Gaussian Beam
This document illustrates the generation of vortex-array laser beams using an Ince-Gaussian source.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Observation of the Poisson Spot
The vital role of diffraction in the Poisson-spot experiment provided proof of the wavelike nature of light.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Off-Axis Parabolic Mirror
This tutorial demonstrates the Off-Axis Parabolic Mirror (Wedge Type) with examples of various focusing and collimation configurations...
Assistant
Optical Setup
We demonstrate some basic concepts of working with the optical setup, like how to add elements and how to configure their position and orientation.
Assistant
Optical System View
Learn about the use of the Optical System View, which is available in the Ray Result Profile of VirtualLab Fusion.
Use Case
Optical System for Inspection of Micro-Structured Wafer
A complete wafer inspection system including high-NA focusing effect and light interaction with microstructures is modeled, and the formation of image is demonstrated.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Optically Anisotropic Media in VirtualLab Fusion
This tutorial introduces the basic configuration of an anisotropic medium.
Use Case
Optimal Working Distance for Coupling Light into Single-Mode Fibers
In this example, we select one commercially available lens and show how to find the optimal working distance to obtain maximum fiber coupling efficiency by using field tracing.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Optimization of Anti-Reflective Moth-Eye Structures
We investigate two strategies of an equidistant gridded moth-eye structure, evaluating their efficancy and outcomes in optimizing AR properties.
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VirtualLab Fusion
Optimization Package
Required Packages
VirtualLab Fusion
Optimization Package
Use Case
Optimization of Grating Incoupler for Lightguides/Waveguides
Lightguide or waveguide-based systems have proven to be a good approach for many AR/VR applications. To achieve high performance...
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Optimization of Lightguide Coupling Grating for Single Incidence Direction
We demonstrate the design workflow for optimizing a rectangular grating for one specific incidence direction to obtain maximum efficiency for a specific diffraction order.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Optimization of Lightguide with Continuously Modulated
This use case demonstrates how to optimize a lightguide with continuously varying fill factor of the gratings in the EPE and outcoupler regions to achieve adequate lateral uniformity in the eyebox.
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VirtualLab Fusion
AR VR MR Package
Grating Package
Required Packages
VirtualLab Fusion
AR VR MR Package
Grating Package
Use Case
Optimizing Waveguide Outcoupling Gratings for Uniform Multiple Channels
To ensure uniform multiple waveguide output channels, the outcoupling gratings are optimized, with their efficiencies calculated by the rigorous Fourier modal method.
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VirtualLab Fusion
AR VR MR Package
Required Packages
VirtualLab Fusion
AR VR MR Package
Tutorial
Orientation of Gratings within a Grating Region
In this tutorial we will explain the advanced orientation setting for gratings within a grating region.
Assistant
Parallelization in a Parameter Run
VirtualLab Fusion allows you to run multiple parameter iterations simultaneously, reducing simulation time at the cost of higher PC resources.
Assistant
Parameter Overview
We show where it is available and how it can be used to configure the numerical parameters of sources, components, and detectors.
Tutorial
Parameter Variation Analyzer
The Parameter Variation Analyzer which enables the analysis of the entire system and further process the data obtained.
Use Case
Parametric Optimization and Tolerance Analysis of Slanted Gratings
With the Fourier modal method (FMM) as the kernel on which parametric optimization a slanted grating is designed to achieve high diffraction efficiency.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Parametric Optimization of Fiber Coupling Lenses
With the parametric optimization in VirtualLab Fusion, the design of a fiber coupling lens with conical surface into a single-mode fiber is presented.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Parametric Optimization of a Half-Symmetric Two-Mirror Re
In VirtualLab Fusion, users can easily construct a two-mirror laser resonator, and use parametric optimization to design this resonator to generate a desired output mode.
Assistant
Paraxial Assumptions
Learn how to vary modeling parameters for paraxial assumptions.
Tutorial
Paraxial Assumptions Tool
This tutorial introduces the Paraxial Assumptions tool, demonstrating its options and providing a workflow of how to use it.
Use Case
Performance Analysis of Laser Scanning System
A scanning system consisting a dual-axis galvanometer and an aspherial focusing lens is modeled, with the rotation of the mirrors taken into simulation as in the practical case.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Performance Evaluation of an F-Theta Scanning Lens
With the scanning source in VirtualLab Fusion, we analyze the performance of an F-Theta lens, by measuring the focal spot position deviation and the spot size for different scan angles.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Performance Settings in Global Options of VirtualLab Fusi
The account different powerful computer system it, performance based parameters are introduced and explained.
Tutorial
Personalization Settings for Visualization in VirtualLab
This document illustrates the usage of the global options for personalization of the view settings of the VirtualLab Fusion.
Assistant
Photometry Detector Add-ons
Use Case
Pinhole Modeling in a Low-Fresnel-Number System
With the flexible Fourier transform settings in VirtualLab Fusion, we model the diffraction effect from surface apertures and pinholes in a low-Fresnel-number system.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Plug-In Component
This tutorial introduces the Plug-In component, which enables users to develop and implement a fully customized solver in both the x-domain and k-domain.
Tutorial
Plug-In Detector
This document introduces the Plug-In Detector, which allows to evaluate and output any information of an electromagnetic field in VirtualLab Fusion.
Tutorial
Plug-In Mode Generator
How to program your own customizable source mode in VirtualLab Fusion multiscale optical design software.
Assistant
Pointwise versus Integral Operations
See how to configure free space propagation with the tool Pointwise vs. Integral Operations.
Tutorial
Polarization Analyzer
This tutorial demonstrates the capabilities of the Polarization Analyzer for the analysis and optimization of grating structures.
Use Case
Polarization Conversion in Uniaxial Crystals
The conversion of polarization of linearly polarized light in a calcite crystal is demonstrated in VirtualLab Fusion.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Polarization Ellipses
This tutorial shows how to visualize the polarization state of light, represented as complex electromagnetic wave in a depictive way.
Assistant
Polarization Ellipses
Learn how to generate polarization ellipses via the universal detector or the corresponding manipulation tool of data arrays.
Use Case
Polarization-Dependent Binary Resonant Gratings
We construct a binary grating with sub-wavelength structure following the principle of form birefringence and demonstrate its polarization-dependent properties.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Tutorial
Polarizer in Focal Region
To model polarizer used in non-paraxial cases, an idealized model is implemented in VirtualLab, and the effect of a polarizer in the focal region is presented.
Tutorial
Position and Orientation Information Display Control
This tutorial shows how to set up the position and orientation information display in a Light Path View.
Use Case
Position and Orientation of Optical Setup Elements
This use case demonstrate how to configure the position and orientation of optical elements within optical setups.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Principle of Stimulated Emission Depletion (STED) Microscopy
STED Microscopy describes a commonly used technique to achieve super resolution in biological applications.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Profile Editing Tool Speed vs. Accuracy
This tutorial introduces the Speed vs. Accuracy tool which allows the user to customize global sampling parameter.
Tutorial
Profile Editor
This tutorial introduces the Profile Editor in VirtualLab Fusion.
Assistant
Profile Editor - Other Settings
Use Case
Programmable Component for Free-Space Propagation
In this programming example, we present some functions which were used in the Classic Field Tracing engine to propagate an electromagnetic field that was represented in an equidistantly sampled form.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Programmable Dispersion Function
This tutorial introduces the Programmable Medium and shows how to customize your own dispersion Formula.
Tutorial
Programmable Grating Analyzer
We show how to use a Programmable Grating Analyzer to access the grating diffraction information, to display it, and to use it for further analysisor optimization.
Tutorial
Programming Detector Add-ons in VirtualLab Fusion
VirtualLab Fusions programmable tools offer maximum flexibility in the definition of physical behavior.
Tutorial
Programming Radially & Azimuthally Polarized Sources
See how to create a radially and an azimuthally polarized source, experimenting in the process with the programming of light sources and the potential of the Combined Light Source feature.
Tutorial
Programming a Chirped Gaussian Pulse Spectrum
This example shows how to use Programmable Pulse Spectrum to generate a chirped Gaussian pulse, with the pulse specification given in time domain.
Tutorial
Programming a Degree of Coherence Detector
Based on the fully vectorial electromagnetic field information, a Programmable Detector is done for the calculation of the degree of coherence.
Tutorial
Programming a Detector for Diffractive Optics Merit Funct
Based on the full field information, and together with the Programmable Detector, several typically used merit functions in diffractive optics are realized in this example.
Tutorial
Programming a Detector to Save Fields Automatically
A Programmable Detector is constructed for saving a light distribution (harmonic fields set) to the desired file path on the hard disk.
Tutorial
Programming a Double Pinhole Transmission Function
In this programming example we illustrate how to code a transmission function that imitates an opaque screen punctured by two round holes.
Tutorial
Programming a Double Slit Function
An example snippet is presented for defining a double slit function, with customizable slit width and distance in between.
Tutorial
Programming a Micro-Lens Array
This example shows how to realize an array of micro-lenses on a rectangular grid by using the Programmable Interface in VirtualLab.
Tutorial
Programming a Module That Computes the Standard Deviation between Two Harmonic Fields
Gauging the accuracy of a given result is fundamental. We show you how to program a module to compute the standard deviation between two fields.
Tutorial
Programming a Module that Smooths the Edges of a Structur
This programmable module is designed to be applied to the sharp result of a designed structure, and it will round off the edges according to user-specified values.
Tutorial
Programming a Multiple-Slit Transmission Function
In this document you can find an example for the Programmable Function which defines an arbitrary number of equidistant slits with an arbitrary width and distance.
Tutorial
Programming a Scanning Parameter Run
A convex-plano single lens is analyzed by scanning over the radius of curvature and its thickness with the Programmable Parameter Run in VirtualLab Fusion.
Tutorial
Programming a Sinusoidal Surface
In this document you can find an example for the Programmable Interface. Although the sinusoidal surface is provided ready-made in the catalog, we show you how to code it for illustration purposes.
Tutorial
Programming a Sinusoidal Volume Grating
In this example, the generation of sinusoidal volume grating is demonstrated, with the grating period and the refractive index modulation as user-defined parameters.
Tutorial
Programming a Spectral Band Filter
This document shows a customizable spectral band filter in a system with a Gaussian pulse with a homogeneous spectrum.
Tutorial
Programming a Truncated Cone Surface
A truncated cone structure is generated using the Programmable Interface, with its specifications (height, top/base diameter) as user-defined parameters.
Tutorial
Programming an Anamorphic Surface
Using the Programmable Interface in VirtualLab Fusion, an anamorphic surface is programmed and especially with the surface gradient analytically given.
Tutorial
Programming an Axicon Transmission Function
In this programming example we illustrate how to use the Programmable Function in VirtualLab to create a custom idealised component that performs like an axicon.
Assistant
Propagation Between and Inside Components
For performing optical simulations it is very important to specify the propagation within free space.
Assistant
Propagation to Detectors
By configuring the free space propagation settings, VirtualLab Fusion lets you control how much diffraction is included in your modelling.
Use Case
Pulse Broadening in Dispersive Media
We investigate the relationship between the broadening of an ultrashort pulse and the dispersion of given materials that the pulse propagates through.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Pulse Focusing with High-NA Lens
We investigate the effects of subjecting an ultrashort pulse to propagation through a lens with high numerical aperture, in terms of its spatial, as well as of its temporal, profile.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Pulse Front Tilt in SSTF – Setups
This Use Case demonstrates the characteristics of an ideal SSTF Setup including the effects of chirp.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
RGB Diffuser using Lightguide Approach
In this demo we show how to design a diffuser for distinct target pattern for each of the RGB wavelengths. Furthermore, we will generate a Lightguide setup for guiding and separated outcoupling of the RGB modes.
Assistant
Radiometry Detector Add-ons
Assistant
Ray Results Modeling Profile
We also show how to use different result visualizations for your simulation.
Assistant
Ray Sampling
Use Case
Reflecting Microscope System with very high Numerical Aperture
This use case demonstrates the modeling a compact reflective microscope system with a very high numerical aperture of 0.99 using VirtualLab Fusion’s fast physical optics technology. Further the result is compared to a reference.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Reflection at a Retroreflector with Rough Surfaces
Simulation of a retroreflector with rough surfaces using optical design software VirtualLab Fusion.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Reflection at a Rough Surface
We demonstrate how a random rough surface can be modeled and analyzed in the optical design software VirtualLab Fusion.
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VirtualLab Fusion
Diffractive Optics Package
Flat Lens Package
Required Packages
VirtualLab Fusion
Diffractive Optics Package
Flat Lens Package
Use Case
Resolving Sodium Doublet by Using a Czerny-Turner Setup
A physical-optics-based simulation of Czerny-Turner setup consisting of parabolic mirrors and blazed grating for Sodium doublet examination, is investigated.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Resonant Grating Coupler
We investigate the properties of the resonant grating coupler and how the efficiency of different reflective diffraction orders varies...
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Resonant Photonic Lattices
We simulate a photonic lattice system with the in-build FMM solver of VirtualLab Fusion.
Tutorial
Result Resampling by Average Calculation Yielding Desired Number of Pixels
This example shows a detector add-on that converts results so that an averaged value is output for each adjustable number of data points.
Assistant
Result Visualization
Use Case
Rigorous Analysis and Design of Anti-Reflective Moth-Eye Structures
With the Fourier modal method and the parametric optimization in VirtualLab Fusion, we demonstrate the analysis and design of anti-reflective moth-eye structures.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Rigorous Analysis of Nanopillar Metasurface Building Block
With the rigorous Fourier modal method (FMM), we analyze the effects, especially the phase modulation, of nanopillar structures with varying diameters - the building blocks of metalenses.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Rigorous Analysis of Resonant Waveguide Gratings
We apply the Fourier modal method (FMM / RCWA) within VirtualLab Fusion to analyze resonant waveguide gratings rigorously and demonstrate how to check the resonant effects with focused Gaussian beams.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Robustness Optimization of a Slanted Grating
This use case demonstrates a robustness optimization for a slanted grating that has a slightly varying fill factor.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Technical Whitepaper
Runge-Kutta Beam Propagation Method (RK-BPM) for GRIN Med
The RK-BPM solves the electromagnetic field propagation problem in a GRIN medium, by solving two ordinary differential equations simultaneously.
Tutorial
Running VirtualLab Fusion Optical Simulations with Python
We demonstrate how to use Python to run an optical simulation in VirtualLab Fusion.
Use Case
Sagnac Interferometer
In this Demo we seek to simulate the interference pattern in a Sagnac interferometer setup.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Savitzky-Golay Filter Function
This tutorial demonstrates the usage of the Savitzky-Golay filter in order to smooth out a measured spectrum.
Assistant
Scaling of Data
Tutorial
Scanning Mode of Parameter Run
The scanning mode of the Parameter Run document generates a simulation series of all combinations of specified parameter variations and provides specifically suited output options.
Use Case
Schmidt-Cassegrain Telescope
The simulation of a Schmidt-Cassegrain telescope with VirtualLab Fusion. It also investigates the aberration effects in a sample system.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Technical Whitepaper
Seamless Transition from Ray to Physical Optics
We, the developers of VirtualLab Fusion, do not understand ray and physical optics as two disjunct modeling techniques between which the user must select...
Technical Whitepaper
Seamless Transition to Geometrical Optics Concepts in a Fully Physical Optics Framework
Integrating geometrical optics into multiscale simulation framework necessitates developing a formulation of geometrical optics for electromagnetic fields.
Tutorial
Segmentation of Lightguide Regions Tutorials
VirtualLab Fusion enables the definition of gratings in lightguides either with continuously varying parameters or as segmented structures...
Use Case
Shaping of White Light by Using Prism / Grating / Mirror Cells Arrays
Design of different types of cells arrays, which are used behind white light LED for generating customized patterns, are presented.
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VirtualLab Fusion
Grating Package
Light Shaping Package
Required Packages
VirtualLab Fusion
Grating Package
Light Shaping Package
Use Case
Simulation of Conical Refraction as a Tool for Polarizati
This use case demonstrates the application of conical refraction as a tool for polarization metrology.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Simulation of Laser Beam in Focal Region of High-NA Asphere
When a linearly polarized beam is focused by a high-NA lens, the focal spot shows asymmetry due to the relatively strong Ez component.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Simulation of Light Diffraction at Pixels of a Spatial Light Modulator
When SLMs are often employed as programmable diffractive optical elements, the influence from the pixel gaps on the system performance is investigated.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Simulation of Lightguide with 1D-1D Pupil Expander and Real Gratings
The investigation of the influence of real gratings on the efficiency and uniformity of a lightguide are of essential importance. This use case shows an example with a slanted grating as incoupler and binary surface relief grating as EPE and outcoupler.
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VirtualLab Fusion
AR VR MR Package
Grating Package
Required Packages
VirtualLab Fusion
AR VR MR Package
Grating Package
Use Case
Simulation of Multilayer Birefringent Reflective Polarizer with VirtualLab Fusion
In this use case, the relationship between the number of alternate birefringent layers and the Bragg reflection condition is explored with VirtualLab Fusion. The variation of the reflectance efficiency with different wavelengths and incident angles is further investigated.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Simulation of Multiple Light Sources with VirtualLab Fusi
This document illustrates how to use the Multiple Light Source in VirtualLab Fusion.
Use Case
Simulation of Reflective Pyramid Wavefront Sensor
This use case shows the modeling a reflective pyramid wavefront sensor by using VirtualLab Fusion’s Field Tracing technology.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Simulation of a High NA Focusing System via Module
Learn how to change simulation parameters and perform an simulation on the example of a high-NA idealized lens with different incident angles...
Use Case
Simulation of a Shack-Hartmann Sensor
The working principle of a Shack-Hartmann sensor is shown using plane waves and spherical waves with different values of the numerical aperture. The sensor itself consists of a double-convex microlens array.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Simulation of a Test Image in an AR Waveguide Using Distributed Computing
A waveguide combiner is illuminated with a test image that consists of more than 10,000 pixels.
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VirtualLab Fusion
Distributed Computing
Required Packages
VirtualLab Fusion
Distributed Computing
Use Case
Single Grating Interferometer for X-Ray Imaging
Three types of gratings (modeled by phase-only transmissions) are employed in a single grating interferometer for the x-ray...
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Single-Molecule Imaging by High-NA Fourier Microscope
We model a complete high-NA Fourier microscopy system for single-molecule imaging. Exemplarily, we show the effect of e.g. Fresnel losses at interfaces, diffraction from apertures, and compare the simulation results to a reference.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Assistant
Source - Position & Size
Learn about the use of the position and size configuration tab for light sources within the profile editor.
Assistant
Source - Power Management
Learn how to activate and configure the power management for light sources using the profile editor.
Tutorial
Source Code Editor
For optical elements, which cannot be found in the catalogs of VirtualLab Fusion, users are able to create them by using programmable objects, e.g., programmable source, interface, medium and detector. The programming language is C#. The source code editors is the most important structure of all programmable objects.
Assistant
Source to Component Propagation
VirtualLab Fusion lets you decide how much diffraction to include in your modelling. You can adjust the free space propagation settings to control this.
Tutorial
Specification of Diffraction Orders and Efficiencies for Grating Regions
This covers the user-friendly interface to select grating orders and specify their efficiencies (either idealized or calculated rigorously) for the grating regions of a light guide.
Assistant
Speed-up Your Modeling with Distributed Computing
The processing of numerous elementary simulations is a typical requirement of optical modeling and design tasks. This is due to a number of factors.
Tutorial
Spherical Lens Component
This tutorial demonstrates a component that facilitates the inclusion and specification of spherical lenses in VirtualLab Fusion.
Use Case
Statistical Moth-Eye Structure
This use case demonstrates how to model the moth-eye structure by a statistical distribution of cones. For this purpose, the Random Cone Interface is used.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Technical Whitepaper
Step-by-Step Field Tracing by Modeling Analyzer
Physical-optics modeling in VirtualLab Fusion is initialized by the light path finder algorithm, which searches for all possible light paths through the system...
Tutorial
Stratified Media Component
This tutorial introduces the Stratified Media Component and gives an overview of its options, settings, and electromagnetic field solver.
Use Case
Stress-induced Birefringence in Laser Crystals
The stress-induced birefringence in a YAG crystal is investigated, by examining the change of output field with respect to the strength of stresses.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Stretching or Compression of Ultrashort Pulses with Highly Efficient Transmission Gratings
We demonstrate, according to T. Clausnitzer et al., how to build up a pulse stretching or compression system with two transmission gratings. Especially, we analyze the polarization dependency of such systems.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Tutorial
Structure Design
This tutorial shows the usage of the structure design tool, which can be used to convert the phase function into a height profile.
Tutorial
System Analysis with Sequential and Non-Sequential Field
VirtualLab Fusion enables the user to build up an optical system once and analyze it with different tracing techniques.
Tutorial
System Modeling Analyzer
In this document, the application and advantages of the System Modeling Analyzer tool are demonstrated at two different examples.
Tutorial
Tailored Light Outcoupling from Glass Plate with Arbitrarily Shaped Apertures
With the region concept in VirtualLab Fusion, apertures with arbitrary shapes can be defined flexibly. Situations with fully and partially illuminated apertures are shown.
Use Case
Talbot Images of A Conical Phase Mask
A phase mask with a layer of cones is modeled rigorously in VirtualLab Fusion. Different Talbot images are detected, with the pillar pattern reproduced in the primary image plane and the hole pattern in the secondary.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Thin Element Approximation (TEA) vs. Fourier Modal Method (FMM) for Grating Modeling
Two commonly used, but very different algorithms for the analysis of diffraction efficiencies of gratings are investigated: TEA and FMM.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Tight Focusing Through a Stratified Medium
It is demonstrated that the focal spot is aberrated for tight focusing through a coverslip, which is a stratified medium.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Tight Focusing by a High-NA Immersion Microscope
It is demonstrated that the PSF is distorted behind the coverslip of an immersion microscope.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Tight Focusing of Variously Polarized Beams by an Idealized Aplanatic Lens
VirtualLab Fusion with its idealized lens functions provides an easy way to analyze the focusing effects of polarized vectorial fields...
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Tolerance Analysis of a Fiber Coupling Setup
In a fiber coupling optical setup, the coupling efficiency is analyzed with respect to tolerance factors like the shift of fiber end position and the tilt of lens.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Tolerancing with Parameter Variations of Different Random Distributions
In this use case we demonstrate a programmable Parameter Run that allows the user to employ different random distributions for the purpose of tolerancing.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Tolerancing with Random Distributions
This Use Case presents the different forms of random distributions that could be used to perform a tolerance analysis on a system.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Assistant
Topics of the VirtualLab Fusion Assistant
Technical Whitepaper
Truncation of Fields at Boundaries
One key technique for fast physical-optics modeling with VirtualLab Fusion is the channel concept which enables connecting solvers.
Use Case
Ultra-Sparse Dielectric Nano-Wire Grid Polarizer
The polarization-dependent properties of ultra-sparse dielectric nanowire grids are analyzed by using the Fourier modal method (FMM, also known as RCWA).
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Tutorial
Uniformity Detector for Lightguide Systems
This tutorial shows how to use the uniformity detector in VirtualLab Fusion.
Assistant
Unify Scaling in Data Set
Tutorial
Unpolarized Light for Grating Simulation – Discussion at
It is shown how to model the effect of unpolarized light, as the average of two orthogonal polarization states, for grating simulations in VirtualLab Fusion.
Tutorial
Usage of Camera Detector
The Camera Detector constitutes one of the most fundamental detectors in VirtualLab Fusion. Keep reading for an in-depth description of how to configure and use this detector in simulations.
Tutorial
Usage of Debye-Wolf Integral Calculator
The Debye-Wolf integral calculator in VirtualLab Fusion computes the vectorial field near focus based on an idealized model, when the exact specifications of the objective lens are not known.
Tutorial
Usage of Distributed Computing
This tutorial show how Distributed Computing can be activated in VirtualLab Fusion.
Tutorial
Usage of Focal Length Analyzer
The focal length is an important parameter to evaluate an imaging system. By using the Focal Length Analyzer, the effective and back focal length of optical components can be obtained and used with parametric optimization.
Tutorial
Usage of PSF & MTF Detector
Point spread function (PSF) and modulation transfer function (MTF) are important optical quantities to evaluate the quality of an imaging system. In VirtualLab Fusion, PSF and MTF for an imaging system can be calculated fast and accurately.
Tutorial
Usage of the Parameter Run Document
Using the Parameter Run in VirtualLab Fusion, one can specify the varying range of selected parameters flexibly, so as to perform system analysis.
Use Case
Variable Angle Spectroscopic Ellipsometry (VASE) Analysis of a SiO2-Coating
Due to its high sensitivity to small changes in optical parameters, variable angle spectroscopic ellipsometry (VASE) is a commonly applied technology...
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Use Case
Vector Beam Generation with a SLM and a Common-Path Interferometer
An interferometric setup is built up with SLM, apertures, quarter-wave plates, and grating, in a 4f lens system. Using this setup, we demonstrate the generation of cylindrical vector beams.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Assistant
View Positions, Directions & Wavefront Phase
We show how to access the information of positions, directions and the wavefront phase in the view of VirtualLab Fusion.
Tutorial
View Settings for 2D Data Arrays
In this document we take an in-depth look at the visualization options of 2D Data Arrays and go through the corresponding View ribbon options in detail.
Tutorial
Visualization Settings in VirtualLab Fusion
We illustrate the usage of the Global Options parameters that relate to visualization and the graphic display of results.
Tutorial
Visualize Grating Regions in Lightguide Results
We demonstrate a detector add-on for the Universal Detector that superimposes the visualization of lightguide grating regions.
Assistant
Visualize Positions in View Windows (Add Point Cloud)
We demonstrate the combination of point cloud data with an equidistant data array.
Assistant
Visualize Region Boundaries in View Windows (Add Region)
We show the combination of regions with an equidistant data array and the customization of the visualization of the region as graphics add-on.
Tutorial
Visualize Time Dependency of a Propagating Field
We demonstrate how to visualize a temporal evaluation of a propagating field in two examples.
Tutorial
Wave Aberration Detectors
In lens design, the aberration information in the lens system is important for the optimization process. In VirtualLab Fusion, detectors for different kinds of wave aberration representation are provided.
Tutorial
Wavefront Error Detector
Wavefront error is defined as the difference between the reference wavefront phase, which is a constant phase or spherical phase, and the detected wavefront phase of one optical system.
Assistant
What’s New in VirtualLab Fusion 2025.2?
Use Case
White-Light Michelson Interferometer
A Michelson interferometer with a Xenon lamp source is modeled with the spectral property, i.e. limited coherence length, of the source fully considered.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Assistant
Workflow for Systematic Simulations
Use Case
Working Principle of Confocal Scanning Microscopes
We built a confocal scanning microscope in VirtualLab Fusion and used a metallic grating as the test object to demonstrate the working principle of the microscope.
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VirtualLab Fusion
Grating Package
Required Packages
VirtualLab Fusion
Grating Package
Use Case
Working Principle of Optical Coherence Tomography
With a low-coherence Xenon lamp source, a Michelson interferometer is built up to demonstrate the working principle of optical coherence tomography (OCT).
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
Working with the Property Browser
In this Use Case we show the Property Browser, which provides a summary of physical and numerical parameters of a selected document.
Use Case
Young’s Interference Experiment
In VirtualLab Fusion, we reproduce the famous Young’s interference experiment, and checked the influence from slit width, slit distance, as well as the effect of extended source.
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VirtualLab Fusion
Required Packages
VirtualLab Fusion
Tutorial
k-Domain Layout Visualization
We explain the physical concepts employed in the k-Layout Visualization tool and demonstrates its usage.